Smart-ass and Smart alec

Smart-ass adjective - Making light of something usually regarded as serious or sacred.

Smart alec and smart-ass are semantically related in smart aleck topic. In some cases you can use "Smart alec" instead a noun phrase "Smart-ass", when it comes to topics like person making wise remarks.

Smart-ass and smart alec are semantically related (North American) in smart aleck topic. You can use "Smart-ass" instead a noun phrase "Smart alec", if it concerns topics such as know-it-all, person making wise remarks.